Mid Level Full Stack C# Developer

Qualifications & Demographic Details

Olwethu is a BEE AA female currently residing in Bedfordview, Gauteng. She holds a Diploma in Web Design, a Diploma in Mobile Application Development, and has recently completed a Google Cloud Professional Certificate in Data Engineering. With a strong foundation in programming and a passion for software development, Olwethu has grown into a skilled full-stack developer with a focus on backend development using Microsoft technologies.

Development Experience

Olwethu has 8 years of experience as a software developer with a strength in full-stack development, particularly on the backend. She is highly skilled in C#, ASP.NET, SQL Server, and Angular, and has worked extensively on high-volume transactional systems and enterprise-grade applications. Her experience includes building POS systems, asset and HR management tools, licensing applications, e-commerce platforms, and ERP system integrations. She has delivered new builds, enhancements, and maintenance on both Windows and web applications and has experience with RESTful APIs, Shopify, NetSuite, Dear Inventory, and Sage 200 Evolution. She is confident in applying SOLID principles, object-oriented programming, and designing clean, maintainable, and scalable code.

Technical Stack

Languages & Frameworks: C#, ASP.NET Core, .NET Framework, VB.NET, JavaScript, Angular, TypeScript, HTML, CSS, MVC, Progress, React

Databases: Microsoft SQL Server, MySQL

Web Services & Integration: REST APIs, NetSuite SuiteScript, Webhooks, WooCommerce, Shopify, Sage Evolution SDK

Tools & Platforms: Visual Studio, Git, Azure DevOps, TFS, Jira, Postman, Microsoft Teams, WordPress, SYSPRO, SourceTree

Reporting & Data: SSRS, SQL stored procedures, SQL index optimisation

Key Projects & Applications Developed

• Developed an electronics e-commerce website using ASP.Net, SQL, and C#.
• Built an asset and HR management system for a construction company using ASP.Net and SQL.
• Delivered a licensing application system for the gambling sector using MVC, ASP.Net, and SQL.
• Created and enhanced POS systems for retail chains including Midas and Battery Centre.
• Led integration projects between WooCommerce, Dear Inventory, and back-end systems using C# and MySQL.
• Built RICA SIM card processing and insurance claims systems using Angular, ASP.Net Core, and SQL.
• Developed and integrated third-party systems with Sage Evolution to enable real-time stock, order, and customer data synchronisation.
• Created hybrid cloud-native applications for manufacturing workflow and production planning.

Strengths & Competencies

• Proven ability to build and maintain scalable enterprise applications across industries.
• Strong integration background with RESTful APIs and ERP platforms.
• Skilled in designing and implementing end-to-end solutions from database to UI.
• Adept at writing clean, efficient, and well-documented code.
• Comfortable working in Agile teams, attending sprint planning, stand-ups, and retrospectives.
• Experience leading small teams and stepping into mentorship and team lead roles.
• Passionate about continuous learning, upskilling, and delivering business-driven outcomes.

Career Summary & Highlights

Position 1:

Software Services Sector / Senior Developer : 2025 to Present
Olwethu leads the development of backend and frontend enterprise systems, focusing on integration with third-party systems such as Sage Evolution. She supports and optimises mission-critical business applications and builds B2B and cloud-native solutions.

Technologies: C#, ASP.NET, SQL Server, REST APIs, VB.NET, ASP.NET MVC, Sage Evolution SDK, WinForms, HTML, CSS, Web API

Position 2:

Retail Finance Sector / Developer : 2022 to 2025
Developed and maintained financial and telecom systems, including RICA and insurance claims solutions. Built REST APIs, worked with Angular frontends, and played a key role in Agile delivery lifecycles.

Technologies: ASP.Net Core, Angular, JavaScript, HTML, CSS, C#, SQL Server, Azure DevOps, REST APIs

Position 3:

E-commerce Logistics Sector / Integration Developer : 2021 to 2022
Integrated WooCommerce and Shopify with NetSuite, automated order flows, and built custom scripts using SuiteScript.

Technologies: C#, NetSuite, WooCommerce, Shopify, MySQL, SuiteScript, Jira, TFS

Position 4:

Software Development Sector / Junior Developer : 2018 to 2021
Supported systems for licensing, document management, and POS reporting for major retailers.

Technologies: C#, JavaScript, HTML, CSS, Progress, ASP.NET MVC, SSRS, Visual Studio

Position 5:

Construction Sector / Junior Developer : January 2018 to July 2018
Built internal HR and warehouse tracking systems using ASP.NET and SQL.

Technologies: C#, ASP.Net, VB.Net, SQL Server, MySQL, SSRS

Position 6:

Non-Profit Sector / Computer Skills Trainer : January 2015 to June 2015
Volunteered as a digital literacy trainer for the elderly and physically challenged.

Availability & Salary

Notice Period: 1 calendar month
Salary Expectations: R48 000 gross per month

Like What You See? Here Are Your Next Steps:

1. Request a Full CV
   Email natasha@skillzpage.com and we’ll send you Olwethu's full CV straight to your inbox. Use 'Olwethu in Subject line. 

2. Want to Speed Up Your Hiring Process?
   Email us up to 10 questions you would usually ask during a first-round interview. Use 'Olwethu in Subject line. 
   We’ll record a tailored video interview with Olwethu answering your questions and send it to you along with her full CV — all within a few days.

3. Book a Direct Interview
   Prefer a live interview? We’ll schedule a face-to-face or Microsoft Teams interview at your convenience. Use 'Olwethu in Subject line. 
   No upfront costs — you only pay if you hire.
   Flexible rates — we’ll agree on pricing before you proceed.

At Skillzpage, we represent talented female full-stack developers like Olwethu — experienced professionals skilled in C#, ASP.NET, Angular, SQL Server, and enterprise-level integrations.

As one of South Africa’s most trusted technical recruitment agencies and IT headhunters, we specialise in sourcing Microsoft developers, API integration specialists, and ERP system developers for companies across retail, e-commerce, finance, and manufacturing.

Whether you’re hiring for .NET Core developers, backend software engineers, or full-stack developers with Sage, Shopify, or NetSuite integration experience, Skillzpage connects you with highly capable, business-driven professionals who deliver reliable, scalable software solutions that power digital transformation.